mirror of
https://github.com/tailscale/tailscale.git
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89 lines
1.6 KiB
Go
89 lines
1.6 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package netutil
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import (
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"io"
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"net"
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"runtime"
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"testing"
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"tailscale.com/net/netmon"
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"tailscale.com/util/eventbus"
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)
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type conn struct {
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net.Conn
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}
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func TestOneConnListener(t *testing.T) {
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c1 := new(conn)
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a1 := dummyAddr("a1")
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// Two Accepts
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ln := NewOneConnListener(c1, a1)
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if got := ln.Addr(); got != a1 {
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t.Errorf("Addr = %#v; want %#v", got, a1)
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}
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c, err := ln.Accept()
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if err != nil {
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t.Fatal(err)
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}
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if c != c1 {
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t.Fatalf("didn't get c1; got %p", c)
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}
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c, err = ln.Accept()
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if err != io.EOF {
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t.Errorf("got %v; want EOF", err)
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}
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if c != nil {
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t.Errorf("unexpected non-nil Conn")
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}
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// Close before Accept
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ln = NewOneConnListener(c1, a1)
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ln.Close()
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_, err = ln.Accept()
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if err != io.EOF {
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t.Fatalf("got %v; want EOF", err)
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}
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// Implicit addr
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ln = NewOneConnListener(c1, nil)
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if ln.Addr() == nil {
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t.Errorf("nil Addr")
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}
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}
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func TestIPForwardingEnabledLinux(t *testing.T) {
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if runtime.GOOS != "linux" {
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t.Skipf("skipping on %s", runtime.GOOS)
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}
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got, err := ipForwardingEnabledLinux(ipv4, "some-not-found-interface")
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if err != nil {
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t.Fatal(err)
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}
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if got {
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t.Errorf("got true; want false")
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}
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}
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func TestCheckReversePathFiltering(t *testing.T) {
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if runtime.GOOS != "linux" {
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t.Skipf("skipping on %s", runtime.GOOS)
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}
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bus := eventbus.New()
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defer bus.Close()
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netMon, err := netmon.New(bus, t.Logf)
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if err != nil {
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t.Fatal(err)
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}
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defer netMon.Close()
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warn, err := CheckReversePathFiltering(netMon.InterfaceState())
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t.Logf("err: %v", err)
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t.Logf("warnings: %v", warn)
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}
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